test-symlink-basic: require symlinks availability

tests/test-symlink-basic

@@ -1,5 +1,7 b''
 #!/bin/sh
 
+"$TESTDIR/hghave" symlink || exit 80
+
 cleanpath()
 {
     sed -e "s:/.*\(/test-symlink-basic/.*\):...\1:"

tests/test-symlink-root

@@ -1,5 +1,7 b''
 #!/bin/sh
 
+"$TESTDIR/hghave" symlink || exit 80
+
 hg init a
 ln -s a link
 cd a

tests/test-symlinks

@@ -2,6 +2,8 b''
 #Test bug regarding symlinks that showed up in hg 0.7
 #Author: Matthew Elder <[e-mail]>
 
+"$TESTDIR/hghave" symlink || exit 80
+
 #make and initialize repo
 hg init test; cd test;